diff --git a/.github/workflows/cross.yml b/.github/workflows/cross.yml
new file mode 100644
index 0000000..9031dab
--- /dev/null
+++ b/.github/workflows/cross.yml
@@ -0,0 +1,32 @@
+name: Cross compile other architectures
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        #arch: [arm-unknown-linux-gnueabihf, armv7-unknown-linux-gnueabihf, aarch64-unknown-linux-gnu, i686-unknown-linux-gnu]
+        arch: [aarch64-unknown-linux-gnu]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: prepare build container
+        uses: actions-rs/cargo@v1
+        run: ci/setup-cross.sh ${{ matrix.arch }}
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          target: ${{ matrix.arch }}
+          override: true
+      - uses: actions-rs/cargo@v1
+        with:
+          use-cross: true
+          command: build
+          args: --target ${{ matrix.arch }}
diff --git a/.github/workflows/reprotest.yml b/.github/workflows/reprotest.yml
new file mode 100644
index 0000000..e20ab9c
--- /dev/null
+++ b/.github/workflows/reprotest.yml
@@ -0,0 +1,27 @@
+name: Test reproducible builds
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Update apt index
+      run: sudo apt update
+
+    - name: Install reprotest
+      run: sudo apt install reprotest libpcap-dev libseccomp-dev
+
+    - name: Install diffoscope
+      run: sudo apt install --no-install-recommends diffoscope
+
+    - name: Run reprotest
+      run: ci/reprotest.sh
diff --git a/.travis.yml b/.travis.yml
index 44b35e8..b8870e0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,16 +9,6 @@ matrix:
   - os: linux
     rust: stable
     env: TARGET=x86_64-unknown-linux-gnu BUILD_MODE=boxxy
-  - os: linux
-    rust: stable
-    env: TARGET=x86_64-unknown-linux-gnu BUILD_MODE=reprotest
-  ## broken on 1.26.0
-  #- os: linux
-  #  rust: stable
-  #  env: TARGET=aarch64-unknown-linux-gnu BUILD_MODE=cross
-  - os: linux
-    rust: stable
-    env: TARGET=i686-unknown-linux-gnu BUILD_MODE=cross
 
 before_install:
 - sudo ci/setup.sh "$TRAVIS_OS_NAME"
diff --git a/ci/Dockerfile b/ci/Dockerfile
deleted file mode 100644
index 3cae7b1..0000000
--- a/ci/Dockerfile
+++ /dev/null
@@ -1,7 +0,0 @@
-FROM rust:latest
-ARG TARGET
-WORKDIR /app
-COPY . .
-RUN rustup install "stable-$TARGET" \
-    && rustup target add "$TARGET"
-RUN ci/setup.sh linux
diff --git a/ci/build.sh b/ci/build.sh
index 43775a4..29cca01 100755
--- a/ci/build.sh
+++ b/ci/build.sh
@@ -1,12 +1,6 @@
 #!/bin/sh
 set -ex
 
-case "$TARGET" in
-    aarch64-unknown-linux-gnu)
-        export RUSTFLAGS="-C linker=aarch64-linux-gnu-gcc-6"
-        ;;
-esac
-
 case "$BUILD_MODE" in
     release)
         cargo build --verbose --release --target="$TARGET"
@@ -16,12 +10,4 @@ case "$BUILD_MODE" in
     boxxy)
         cargo build --verbose --examples
         ;;
-    reprotest)
-        docker build -t reprotest-sniffglue -f docs/Dockerfile.reprotest .
-        ;;
-    cross)
-        docker build --build-arg TARGET="$TARGET" -t "sniffglue-test-$TARGET" -f ci/Dockerfile .
-        # restart this script but inside the container and without BUILD_MODE=cross
-        docker run -e TARGET="$TARGET" "sniffglue-test-$TARGET" ci/build.sh
-        ;;
 esac
diff --git a/ci/setup-cross.sh b/ci/setup-cross.sh
new file mode 100755
index 0000000..1f8d185
--- /dev/null
+++ b/ci/setup-cross.sh
@@ -0,0 +1,32 @@
+#!/bin/sh
+set -xe
+
+case "$1" in
+    arm-*)
+        ARCH=arm64
+        ;;
+    armv7-*)
+        ARCH=arm64
+        ;;
+    aarch64-*)
+        ARCH=arm64
+        ;;
+    i686-*)
+        ARCH=i386
+        ;;
+    *)
+        echo 'ERROR: unknown arch'
+        exit 1
+        ;;
+esac
+
+CROSS=`cross -V | sed -nr 's/cross (.*)/\1/p'`
+
+cat > Dockerfile.cross <<EOF
+FROM rustembedded/cross:$1-$CROSS
+RUN dpkg --add-architecture $ARCH && \
+    apt-get update && \
+    apt-get install libpcap-dev:$ARCH libseccomp-dev:$ARCH
+EOF
+
+docker build -t "rustembedded/cross:$1-$CROSS" Dockerfile.cross
diff --git a/ci/setup.sh b/ci/setup.sh
index 086219a..c6a9c0e 100755
--- a/ci/setup.sh
+++ b/ci/setup.sh
@@ -3,17 +3,6 @@ set -ex
 
 case "$1" in
     linux)
-        if [ -z "$TRAVIS" ]; then
-            case "$TARGET" in
-                aarch64-unknown-linux-gnu)
-                    dpkg --add-architecture arm64
-                    ;;
-                i686-unknown-linux-gnu)
-                    dpkg --add-architecture i386
-                    ;;
-            esac
-        fi
-
         apt-get -q update
 
         if [ -n "$TRAVIS" ]; then
@@ -21,30 +10,8 @@ case "$1" in
             apt-get -y -o Dpkg::Options::="--force-confnew" install docker-ce
         fi
 
-        case "$TARGET" in
-            x86_64-unknown-linux-gnu)
-                apt-get install -qy \
-                    libpcap-dev \
-                    libseccomp-dev
-                ;;
-            aarch64-unknown-linux-gnu)
-                if [ -z "$TRAVIS" ]; then
-                    apt-get install -qy gcc-6-aarch64-linux-gnu \
-                        libpcap0.8-dev:arm64 \
-                        libseccomp-dev:arm64
-                fi
-                ;;
-            i686-unknown-linux-gnu)
-                if [ -z "$TRAVIS" ]; then
-                    apt-get install -qy gcc-multilib \
-                        libpcap0.8-dev:i386 \
-                        libseccomp-dev:i386
-                fi
-                ;;
-            *)
-                echo "UNKNOWN TARGET: $TARGET"
-                exit 1
-                ;;
-        esac
+        apt-get install -qy \
+            libpcap-dev \
+            libseccomp-dev
         ;;
 esac
diff --git a/ci/test.sh b/ci/test.sh
index 9dd15df..c1af888 100755
--- a/ci/test.sh
+++ b/ci/test.sh
@@ -21,10 +21,4 @@ case "$BUILD_MODE" in
             exit 1
         fi
         ;;
-    reprotest)
-        docker run --privileged reprotest-sniffglue ci/reprotest.sh || true
-        ;;
-    cross)
-        # do not execute tests when cross compiling
-        ;;
 esac
diff --git a/docs/Dockerfile.reprotest b/docs/Dockerfile.reprotest
deleted file mode 100644
index 0e095d5..0000000
--- a/docs/Dockerfile.reprotest
+++ /dev/null
@@ -1,11 +0,0 @@
-FROM debian:testing
-RUN apt-get update -qq \
-    && DEBIAN_FRONTEND=noninteractive apt-get upgrade -yq \
-    && DEBIAN_FRONTEND=noninteractive apt-get install -yq --no-install-recommends diffoscope \
-    && DEBIAN_FRONTEND=noninteractive apt-get install -yq reprotest \
-    && DEBIAN_FRONTEND=noninteractive apt-get install -yq build-essential git curl libpcap-dev libseccomp-dev
-ENV PYTHONIOENCODING=utf-8
-RUN curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain nightly \
-    && cp ~/.cargo/bin/rustup ~/.cargo/bin/cargo ~/.cargo/bin/rustc /usr/bin/
-WORKDIR /sniffglue/
-COPY . .